OBD Guide
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P1162

Air/Fuel Ratio Sensor 1 Circuit Malfunction

P1162 is an OBD-II diagnostic trouble code meaning: Air/Fuel Ratio Sensor 1 Circuit Malfunction. Common causes: afr sensor malfunction, open or short circuit in the circuit. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Check Engine Light Is On
  • Reduced engine power
  • Problems starting the engine

Causes

  • AFR sensor malfunction
  • Open or short circuit in the circuit
  • Poor contact in connectors
  • ECU malfunction
  • Wiring harness damage

How to Fix

  1. Check the continuity of the AFR sensor circuit
  2. Check connections and connector contacts
  3. Test the AFR sensor
  4. Replace sensor if necessary
  5. Check and replace wiring harness if necessary

Related codes

P1163P1164P1165

Error P1162 by Vehicle Brand

AcuraBMWHondaInfinitiVolkswagen

FAQ

What does the P1162 code mean?

P1162 is an OBD-II diagnostic trouble code that indicates: Air/Fuel Ratio Sensor 1 Circuit Malfunction

What causes a P1162 error code?

The most common causes of P1162 include: AFR sensor malfunction; Open or short circuit in the circuit; Poor contact in connectors; ECU malfunction.

How do I fix a P1162 diagnostic trouble code?

To fix P1162: Check the continuity of the AFR sensor circuit. Check connections and connector contacts. Test the AFR sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1162?

Yes, but get it checked soon

How much does it cost to fix P1162?

The estimated repair cost for P1162 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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